diff --git a/tests/torture.c b/tests/torture.c
index 9718a8f75c7c6500a8db8036d5a61e2dfa4ebf64..64eb6f8bf9aea1c19f1eaa94ddb95440e88424d2 100644
--- a/tests/torture.c
+++ b/tests/torture.c
@@ -63,6 +63,10 @@
 #define TORTURE_SSHD_CONFIG "sshd/sshd_config"
 #define TORTURE_PCAP_FILE "socket_trace.pcap"
 
+#ifndef PATH_MAX
+# define PATH_MAX 4096
+#endif
+
 static const char torture_rsa_certauth_pub[]=
         "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCnA2n5vHzZbs/GvRkGloJNV1CXHI"
         "S5Xnrm05HusUJSWyPq3I1iCMHdYA7oezHa9GCFYbIenaYPy+G6USQRjYQz8SvAZo06"